W.Davis, of Newport; and to the late Mr.E.L.

Godkin.
Much valuable support or assistance I have also received from Mrs.Morris K.Jesup; Mrs.Elizabeth Hobson, of Washington, D.C.; Miss Joanna Rotch, of Milton, Mass.; Mrs.Henry Draper, of New York; Mrs.Robert W.Chapin, of Lenox; the late Mr.E.L.

Godkin; Professor Alexander Agassiz; Professor F.W.Putnam, Curator of the American Museum of Natural History in New York; Dr.S.Weir Mitchell, of Philadelphia; Professor Franz Boas, Curator of the American Museum of Natural History in New York; Dr.B.L.Robinson and Dr.M.L.Fernald, of Harvard University; Professor J.A.Allen and Mr.L.P.

Gratacap, Curators of the American Museum of Natural History.
I am under obligation to Mr.Marshall H.Saville, Curator of the American Museum of Natural History, especially for the placing of the names of the ruins of Southern Mexico on one of the maps; to Miss Alice Fletcher, of Washington, D.C., and Mr.Edwin S.Tracy for transcribing from the graphophone three of the songs rendered in this book, and to Mrs.George S.Bixby for aid in transcribing the native music.

Finally I desire to express my appreciation of the untiring services of my private secretary, Mrs.H.E.Hepner.
The upper illustration on page 65 is a reproduction of a photograph kindly furnished me by Mr.Frank H.Chapman, and the illustration in Vol.